Answer:
A variation is different to an adaptation as a variation is a difference or variety inside a species, for example a different breed of dog such as a spaniel is a variety of the dog species, whereas an adaptation is a genetic mutation that has developed in order to help an animal survive, such as giraffes having a long neck. Adaptations continue throughout the species due to natural selection.
Answer: a, to avoid overgrazing, vegetation loss and soil erosion
Explanation: I just finished the assignment and it was correct
The answer is 1.) True.
Pollen tube used to transport pollen from the stigma of a flower to the ovary. Actually, it begins to grow when lands on the stigma. It grows until it reaches an ovule which is inside the ovary. This way it is secured that a nucleus of pollen will fuse with a nucleus of the ovule and that fertilization will occur.
Answer:Organ — a group of tissues precisely arranged so that they can work together to perform specific functions. Examples include: Liver.
Explanation:
Answer:
D.facilitated diffusion
Explanation:
While active transport requires energy and work, passive transport does not. There are several different types of this easy movement of molecules. It could be as simple as molecules moving freely such as osmosis or diffusion. It is a process called facilitated diffusion.
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